#app {
  font-family: Avenir, Helvetica, Arial, sans-serif; 
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  /* margin-top: 200px; */
  /* border: 1px solid black; */
}
